*{
    margin: 0;
    padding: 0;
}
.use_drug{
    width: 100vw;
    height: 100vh;
    position: relative;
}
.use_drug_top{
    width: 100vw;
    height: 50px;
}
.use-top_ico{
    width: 50px;
    height: 50px;
    line-height: 55px;
    margin-left: 10px;
    font-size: 20px;
    float: left;
}
.use-top_name{
    width: 200px;
    height: 50px;
    line-height: 50px;
    font-size: 18px;
    margin-left: 120px;
    float: left;
}
.null_con{
    width: 100vw;
    height: 28.75rem;
    margin-top: 15.75rem;
}
.dis{
    display: none;
}
.null_img{
    width: 100vw;
    height: 200px;
    text-align: center;
    line-height: 200px;
    font-size: 1.25rem;
    font-family: 'Courier New', Courier, monospace;
}
.null_but{
    width: 12.5rem;
    height: 3.125rem;
    text-align: center;
    line-height: 3.125rem;
    border-radius: 10px;
    margin: 1.875rem auto;
    color: white;
    background-color: rgb(26, 209, 179);
}
.hav_con{
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}
.h_con_li{
    width: 90%;
    height: 80px;
    display: flex;
    border-radius: 10px;
    margin: .625rem auto;
    background-color: rgb(224, 224, 224);
}
.li_left{
    width: 80%;
    height: 100%;
    display: flex;
    overflow: hidden;
}
.li_right{
    width: 20%;
    height: 100%;
}
.li_name{
    display: inline-block;
    width: 50%;
    height: 100%;
    line-height: 80px;
    margin-left: 20px;
}
.li_once{
    display: inline-block;
    width: 20%;
    height: 100%;
    font-size: 10px;
    padding-top: 20px;
    line-height: 20px;
    margin-left: 10px;
}
.li_ic{
    width: 50px;
    height: 100%;
    font-size: 30px;
    line-height: 80px;
    margin-left: 20px;
}